FR2298145A1 - Perfectionnements aux detecteurs thermovelocimetriques d'incendie - Google Patents
Perfectionnements aux detecteurs thermovelocimetriques d'incendieInfo
- Publication number
- FR2298145A1 FR2298145A1 FR7501584A FR7501584A FR2298145A1 FR 2298145 A1 FR2298145 A1 FR 2298145A1 FR 7501584 A FR7501584 A FR 7501584A FR 7501584 A FR7501584 A FR 7501584A FR 2298145 A1 FR2298145 A1 FR 2298145A1
- Authority
- FR
- France
- Prior art keywords
- capillary tube
- return valve
- chambers
- time response
- membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/04—Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
- G01K3/10—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature
- G01K3/12—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature based upon expansion or contraction of materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7501584A FR2298145A1 (fr) | 1975-01-20 | 1975-01-20 | Perfectionnements aux detecteurs thermovelocimetriques d'incendie |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7501584A FR2298145A1 (fr) | 1975-01-20 | 1975-01-20 | Perfectionnements aux detecteurs thermovelocimetriques d'incendie |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2298145A1 true FR2298145A1 (fr) | 1976-08-13 |
FR2298145B3 FR2298145B3 (pt) | 1977-10-14 |
Family
ID=9150022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7501584A Granted FR2298145A1 (fr) | 1975-01-20 | 1975-01-20 | Perfectionnements aux detecteurs thermovelocimetriques d'incendie |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2298145A1 (pt) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1016101A3 (fr) * | 2004-06-28 | 2006-03-07 | L Air Liquide Belge | Dispositif et procede de detection de changement de temperature, en particulier pour la detection d'une fuite de liquide cryogenique. |
-
1975
- 1975-01-20 FR FR7501584A patent/FR2298145A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1016101A3 (fr) * | 2004-06-28 | 2006-03-07 | L Air Liquide Belge | Dispositif et procede de detection de changement de temperature, en particulier pour la detection d'une fuite de liquide cryogenique. |
Also Published As
Publication number | Publication date |
---|---|
FR2298145B3 (pt) | 1977-10-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |